net: add ChaCha20+Poly1305 support to libssl.

net/third_party/nss/ssl/sslimpl.h

Index: net/third_party/nss/ssl/sslimpl.h
diff --git a/net/third_party/nss/ssl/sslimpl.h b/net/third_party/nss/ssl/sslimpl.h
index 0fe12d0d7e294e80a9487a8a826cb8ad506321bf..e3ae9cec5d3ec88d7c41b704df86d88bb0730fbf 100644
--- a/net/third_party/nss/ssl/sslimpl.h
+++ b/net/third_party/nss/ssl/sslimpl.h
@@ -65,6 +65,7 @@ typedef SSLSignType     SSL3SignType;
 #define calg_camellia	ssl_calg_camellia
 #define calg_seed	ssl_calg_seed
 #define calg_aes_gcm    ssl_calg_aes_gcm
+#define calg_chacha20	ssl_calg_chacha20
 
 #define mac_null	ssl_mac_null
 #define mac_md5 	ssl_mac_md5
@@ -292,7 +293,7 @@ typedef struct {
 } ssl3CipherSuiteCfg;
 
 #ifdef NSS_ENABLE_ECC
-#define ssl_V3_SUITES_IMPLEMENTED 61
+#define ssl_V3_SUITES_IMPLEMENTED 63
 #else
 #define ssl_V3_SUITES_IMPLEMENTED 37
 #endif /* NSS_ENABLE_ECC */
@@ -474,6 +475,7 @@ typedef enum {
     cipher_camellia_256,
     cipher_seed,
     cipher_aes_128_gcm,
+    cipher_chacha20,
     cipher_missing              /* reserved for no such supported cipher */
     /* This enum must match ssl3_cipherName[] in ssl3con.c.  */
 } SSL3BulkCipher;